4238478349 has 8 divisors (see below), whose sum is σ = 4844373440. Its totient is φ = 3632682816.

The previous prime is 4238478347. The next prime is 4238478359. The reversal of 4238478349 is 9438748324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4238478349 - 2¹ = 4238478347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4238478296 and 4238478305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238478347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133882 + ... + 162484.

It is an arithmetic number, because the mean of its divisors is an integer number (605546680).

Almost surely, 2^4238478349 is an apocalyptic number.

It is an amenable number.

4238478349 is a deficient number, since it is larger than the sum of its proper divisors (605895091).

4238478349 is a wasteful number, since it uses less digits than its factorization.

4238478349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49779.

The product of its digits is 4644864, while the sum is 52.

The square root of 4238478349 is about 65103.5970511615. The cubic root of 4238478349 is about 1618.3408238889.

The spelling of 4238478349 in words is "four billion, two hundred thirty-eight million, four hundred seventy-eight thousand, three hundred forty-nine".